Weile, Jesper http://orcid.org/0000-0002-6664-3573
Nielsen, Klaus
Primdahl, Stine C.
Frederiksen, Christian A.
Laursen, Christian B.
Sloth, Erik
Mølgaard, Ole
Knudsen, Lars
Kirkegaard, Hans
Article History
Received: 4 September 2017
Accepted: 8 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The Central Denmark Region Committees on Health Research Ethics deemed the study exempt from formal ethical approval due to the observational nature of the study (cf. inquiry 111/2015). All participants of telephone interviews provided oral informed consent to participate. One questionnaire was sent as an email and included written informed consent for the participants.
: Not applicable.
: The authors declare that they have no competing interests.
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